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Forums » General CCIE Discussion » CCIE Service Provider Technical » Difference between IP Explicit Path and the tunnel tsp hop commands
Latest post 11-01-2008 4:53 AM by Scott Morris. 1 replies.
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  • 11-01-2008 1:44 AM

    • hudsonmbg
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    Difference between IP Explicit Path and the tunnel tsp hop commands

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    Hi,

    I am have been reading on MPLS Traffic Engineering but I have failed to understand the functions of the tunnel tsp-hop command the the ip explicit-path commands.

     

    Lets say my tsp-hop command specifies 5 different next hops and different next hops are specified using the ip explicit-path command, which command will take precedence over which route traffic takes to get to the final destination?

     
    • Post Points: 20

  • 11-01-2008 4:53 AM In reply to

    RE: Difference between IP Explicit Path and the tunnel tsp hop commands

    Reply Contact
    The tunnel tsp-hops defines the hops inside the tunnel configuration itself.  This does not allow for any multi-path, failover or reroute capabilities.
     
    The ip explicit-path options allow you to separately configure paths, and therefore have more than one option defined inside the tunnel, allowing reroute capabilities.
     
    I don't believe you can have them both configured (functionally) although I havent' tried.  My guess would be that the tsp-hops would override any defined explicit hops and therefore lose any reroute capability.
     
    HTH,
     


    Scott Morris, CCIE4 #4713, JNCIE-M #153, JNCIS-ER, CISSP, et al.
    CCSI/JNCI-M/JNCI-ER
    Senior CCIE Instructor

    smorris@internetworkexpert.com

     

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    From: ccie-sp@ieoc.com [mailto:ccie-sp@ieoc.com] On Behalf Of hudsonmbg
    Sent: Saturday, November 01, 2008 4:47 AM
    To: smorris@internetworkexpert.com
    Subject: [CCIE SP] Difference between IP Explicit Path and the tunnel tsp hop commands

    Hi,

    I am have been reading on MPLS Traffic Engineering but I have failed to understand the functions of the tunnel tsp-hop command the the ip explicit-path commands.

     

    Lets say my tsp-hop command specifies 5 different next hops and different next hops are specified using the ip explicit-path command, which command will take precedence over which route traffic takes to get to the final destination?

     




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    • Post Points: 5
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